Ramped cat litter box



FIG. 1 is a perspective view of a front and right side of a ramped cat litter box;

FIG. 2 is a perspective view of the front and left side thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in FIGS. 3, 4, 5 and 6 are for illustrative puposes only and form no part of the claimed design. 

The ornamental design for a ramped cat litter box, as shown. 